Abstract
In healthy subjects at rest, swallowing is accompanied by a tachycardiac or tachycardiac-bradycardiac reaction, during which the heart rate can be accelerated by as much as 20 beats/min. The duration of these reactions is comparable to the period of regular low-frequency heart rate oscillations, thereby their occurrence during ECG recordings for heart rate spectral analysis leads to overestimation of low-frequency oscillation power. Using a special method of smoothing of single tachycardia waves, we found that in young healthy subjects the mean contribution of deglutition-induced tachycardia waves to the power of low-frequency heart rate oscillations is 42%.
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Translated fromByulleten' Eksperimental'noi Biologii i Meditsiny, Vol. 127, No. 6, pp. 620–624, June, 1999
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Khayutin, V.M., Bekbosynova, M.S. & Lukoshkova, E.V. Deglutition-induced tachycardia and spectral analysis of the heart rate. Bull Exp Biol Med 127, 562–566 (1999). https://doi.org/10.1007/BF02433278
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DOI: https://doi.org/10.1007/BF02433278